Ping.
The following RTL patches need reviews:
[PATCH 4/9] Move the SMS pass earlier
http://gcc.gnu.org/ml/gcc-patches/2011-07/msg01811.html
[PATCH 7/9] New assertion in rtl_lv_add_condition_to_bb
http://gcc.gnu.org/ml/gcc-patches/2011-07/msg01808.html
[PATCH 8/9] Extend simple_rhs_p
http://gcc.gnu.org/ml/gcc-patches/2011-07/msg01810.html
2011/7/21 <zhroma@ispras.ru>:
> All the work described in next emails was done while trying to improve SMS> functionality. The main idea is to remove requrement of doloop_end instruction> pattern. This allows SMS to work on more platforms, for example x86-64 and> ARM.> --> Roman Zhuykov> zhroma@ispras.ru>

Roman Zhuykov <zhroma@ispras.ru> writes:
> [PATCH 4/9] Move the SMS pass earlier> http://gcc.gnu.org/ml/gcc-patches/2011-07/msg01811.html
I don't think this is a good idea. To get good results, SMS really
needs to run as close to the register allocator as possible, otherwise
later passes might disrupt the schedule.
Richard